African Black Duck vs Upland Goose
Anas sparsa comparado con Chloephaga picta
Side-by-Side Comparison
| Atributo | African Black Duck | Upland Goose |
|---|---|---|
| Nombre científico | Anas sparsa | Chloephaga picta |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 49,5 cm (19.5 in) | 82,4 cm (32.4 in) |
| Peso | 996,8333333333334 g (35.16 oz) | 2916,0 g (102.86 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 4-9 | 5-8 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Ninguno
African Black Duck only
Upland Goose only
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
Upland Goose
Open Patagonian grasslands, steppe, and agricultural pastures in southern Chile and Argentina, including the Falkland Islands. Grazes on short grass. Males aggressively defend territories. Partially migratory.
Song & Call Comparison
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
Upland Goose
Male gives a high, whistled 'whew'; female gives a low, rolling cackle 'ga-ga-ga'. Sexual differences in call are pronounced. Falklands and Patagonian populations highly vocal.
Estado de conservación
African Black Duck
Upland Goose
How to Tell Them Apart
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
Upland Goose
Pronounced dimorphism. Males white with black-barred flanks and white wings with black primaries. Females rufous-brown with black-barred flanks and white belly. Both sexes yellow-orange legs. Grassland species.
About These Birds
African Black Duck
El pato africano moteado es un pato de tamaño mediano de color marrón oscuro con motas blancas en el pecho y los flancos. Habita en ríos de rápido caudal, cascadas y arroyos de montaña en África central y meridional, siendo inusual entre los patos por su preferencia por aguas corrientes y turbulentas. También se encuentra en altitudes elevadas en las zonas montañosas de África oriental.
Upland Goose
El cauquén común o ganso magallánico es un ganso del sur de América del Sur con marcado dimorfismo sexual: el macho es blanco con un barreado negro, y la hembra es de color castaño barrado. Habita en pastizales abiertos, campos cultivados y costas marinas desde el sur de Argentina y Chile hasta las Islas Malvinas. Es una especie abundante en la Patagonia.